Maine Mineralogical & Geological Society
Portland · Maine · United States
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Maine Mineralogical & Geological Society handles membership directly. Reach out with the details below to ask about joining, meetings, and field trips.
Annual show
41st Annual MMGS Gem, Mineral, and Jewelry Show — April 18-19, 2026, Brick South, Thompsons Point, Portland, ME
About Maine Mineralogical & Geological Society
The Maine Mineralogical & Geological Society (MMGS) is dedicated to sharing common interests in minerals, gems, jewelry, geology, paleontology and the related earth sciences and lapidary arts, covering all educational and cultural aspects of these subjects. Club meetings are open to the public and held monthly from September through May, with no meetings in June, July or August because members are out in the field collecting. The society runs a youth program, free with family membership, that includes separate age-appropriate meetings and field trips, though as of this research it is inactive and the club hopes to resume it. MMGS's flagship public event is its annual Gem, Mineral, and Jewelry Show in Portland, now in its 41st year, featuring vendors, dealers, and educational displays for the public.
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